Evolution

One key feature of viruses that is not found in cells is the lack of a cellular structure or organelles. Viruses are composed of genetic material (DNA or RNA) surrounded by a protein coat, whereas cells have a complex structure with membrane-bound organelles.

One aspect of Lamarck's ideas that has some support is the concept of use and disuse, where organisms can modify their traits based on environmental demands. This idea is seen in some cases of phenotypic plasticity. However, his theory of inheritance of acquired traits (the idea that changes acquired during an organism's lifetime can be passed on to offspring) has been largely disproven by the field of genetics.

I'm not sure Thomas Malthus had any theory pertaining to "evolution," strictly.

Malthus was rather the prophet of "overpopulation." He put forward the idea that, if human populations kept reproducing, eventually we would crowd the world and create an ecological disaster.

One example of convergent evolution among the Caminalcules is the evolution of leaf-like structures in different lineages that have adapted to a similar environment. Despite starting from different ancestral forms, these organisms have independently evolved leaf-like structures to maximize surface area for photosynthesis, showing convergent evolution.

Reptiles are thought to have developed after the evolution of an amniotic egg, which allowed them to reproduce successfully on land without the risk of the egg drying out. This adaptation was a key factor in their ability to transition from an aquatic environment to a terrestrial one.

Let us use tallness in men and women as our example.

In stabilizing selection a normal distribution of heights would be expected as the selective environment would not select against having all variants present in the population.

In directional selection you would see men and women getting increasingly taller ( or, perhaps shorter ) as natural selection selected the variants that were more reproductively successful in the immediate environment. ( say women's mate choice went into overdrive for tall men )

Disruptive selection is the distribution of traits that are at either tail of the distribution. Both short and tall people are represented, but no intermediates. These two dichotomous traits are seen in nature when one species feeds on two different food sources in the same area. Rather like small and large beaked birds. How humans could go through disruptive selection I leave to your analysis.

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Not really. The phrase you are referring to is this. ' Ontogeny recapitulates phylogeny. '

Or, as you say, development repeats evolution. A reference to organisms going through all the ancestral evolutionary changes in their development. Which they don't. For instance, human foetuses do not have gill slits as fish do not have them. Both have pharyngeal pouches that develop into gills in fish and other jaw and throat parts in humans. So, you could more truly say, ' ontogeny creates phylogeny. '

The concept of "radiant evolution" does not exist in Darwin's theory of evolution by natural selection. Darwin's theory emphasizes the process of natural selection acting on heritable traits within a population, leading to changes in the frequency of traits over generations. This process results in the gradual adaptation of organisms to their environments.

If you are referring to the central notions of evolutionary theory in biology, then this "core" can be summarized in a few simple theses:

1. That life forms reproduce with variation.

2. That variations compete for resources.

3. That this competition affects the rates of spread of inherited traits throughout the population gene pool.

4. That all life we know shares a last universal common ancestor, and has derived from that ancestor via the process described in the first three points.

This condition may refer to either geographic isolation, where populations are separated by physical barriers, or reproductive isolation, where individuals are unable to interbreed successfully. Geographic isolation can lead to reproductive isolation over time as populations differentiate in isolation.

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The trend of wearing bell-bottoms was a fad in the 1970s.

Essentially, there was no mechanism for it to work - Larmarc's theory was that characteristics gained during a species life were passed to offspring; his example was the giraffe - stretching it's neck to reach high leaves made it's neck longer and this long neck was passed to it's offspring.

This was simply wrong; if someone has an injury, their offspring isn't born with that injury- the genes aren't affected by such lifetime experiences. However, modern research in genetics has shown that some experiences can cause chemical changes in the body which, in turn, can affect the genes so that the offspring is affected. So, to a small extent Lamarc had it right.

The fossil record reveals relatively gradual changes in species over time. For example, the earliest horses had three toes and a curved spine, and were quite small. Over millions of years the outer toes migrated up the leg and fused with the leg bone. The teeth changed from browsing on leaves and twigs like those of deer to grazing on grass, more like the teeth of cattle.

Predators are generally less abundant than their prey because energy is lost as it moves up the food chain due to the inefficiency of energy transfer from one trophic level to the next. The second law of thermodynamics states that energy transformations are never 100% efficient, and some energy is always lost as heat. As a result, predators have to consume more prey to obtain enough energy, leading to lower predator abundance compared to their prey.

Many, if not most biologists do not consider viruses living. So, they are not on any phylogenetic tree that I know of. They may have a phylogeny that I am unaware of, though.

Earth is the only planet called Earth and the only one we know of that is habitable to us. Scientists suspect that planets similar to Earth orbit other stars, but it is very difficult to determine trains of such distant planets.

Organic evolution is the process by which the genetic makeup of a species changes over time.

There are several mechanisms by which this can happen: natural selection, genetic drift (chance), migration and mutation.

So natural selection is one possible way in which evolution can take place.

Most biologists agree that natural selection is the most important mechanism of evolution. This mechanism was first discovered by Charles Darwin and, independently. by Alfred Wallace.

Continuous theory of matter says that matter comes in long continuous sheets,it never breaks while the discontinuous theory of matter assumes that matter comes in smaller packets and the reason why matter looks continuous is because we can't magnify it enough to see the small packets of matter.

Continuous variation or continuous matter is gradual, something that is not so clear cut. For example, height can vary amongst population and there are many different heights.

Discontinuous variation or matter is where you are either in one category or the other, but never in between. Examples of this are: Blood group - you are either O, A, AB, ABO but never anything in between. Another example would be tongue rolling - you can either tongue roll or you can't.

A collaborative gene refers to a gene that works together with other genes or gene products to perform a specific biological function. These genes often interact to regulate various cellular processes and pathways. Collaboration among genes is essential for the development and maintenance of organisms.

Fossils are not used to oppose the theory of evolution. They acutually support it in every way. So far not one fossil has been found that is not exactly where you would expect it to be if evolution were true. As we dig deeper we go further back in time and see by piecing fossils together how organisms evolved over time. Although we don't need fossils to support the fact that evolution is happening, it's a nice bonus to have in support of the theory.

Speciation is the process by which new biological species arise. It is part of the evolutionary process; how two or more populations of one species, when separated geographically, can gradually change over time in different ways, to become separate species.

Darwin's theory of evolution by natural selection was better than other theories of his time because it provided a mechanism (natural selection) to explain how evolution occurs. It was supported by evidence from various scientific disciplines such as geology, paleontology, and morphology. Additionally, Darwin's theory was able to explain the diversity of life on Earth in a simple and elegant way.